It is expected to be available for adult patients this spring 2022.
Previously, the longest approved sensor lasted for 90 days.
This was also an Eversense product, and was approved in 2018.

Senseonics
What is a CGM?
How Long Do Most CGM Sensors Last?
A sensor that can be changed at home will typically last between one and two weeks.
How Does The Eversense E3 Work?
While the sensor collects data, the transmitter interprets it and displays it to the wearer.
It does this by providing vibrations and smartphone alerts with sugar levels and trends.
Is It Affordable?
Still, several private insurance companies and Medicare will cover CGM for some patients.
But for people without insurance coverage, it may be hard to afford.
Published June 21, 2018.
Galewitz P.Painless glucose monitors pushed despite little evidence they help most diabetes patients.Kaiser Health News.
Published March 16, 2021.
2022;24(2):84-92. doi:10.1089/dia.2021.0182